ALEXIS SANCHEZ has flown to London to have a medical ahead of his £30m mow to the Emirates. Gunners boss Arsene Wenger is also chasing Colombia World Cup star David Ospina. But the Frenchman looks set to miss out on Wilfried Bony who is the brink of a £20m move to Liverpool.

Wenger is currently looking is looking for back-up for Wojciech Szczesny following the departure of Lukasz Fabianski to Swansea and is keen on Opsina, who caught the eye during Colombia's run to the quarter-finals.